| RTS/TSGS-0223272v8c0 (TS 123 272) | Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2; (3GPP TS 23.272 version 8.12.0 Release 8) | 8.12.0 | 4.1, 4.2, 4.3.1, 6.2, 7.3 | 
                                            
                                                
                                                    | RTS/TSGC-0124301v8a0 (TS 124 301) | Universal Mobile Telecommunications System (UMTS); LTE; Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3; (3GPP TS 24.301 version 8.10.0 Release 8) | 8.10.0 | 8.2.15.1, 9.9.3.27 | 
                                            
                                                
                                                    | RTS/TSGC-0124008v920 (TS 124 008) | Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Mobile radio interface Layer 3 specification; Core network protocols; Stage 3; (3GPP TS 24.008 version 9.2.0 Release 9) | 9.2.0 | 10.5.4.5 | 
                                            
                                                
                                                    | RTS/TSGC-0124008v690 (TS 124 008) | Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Mobile radio interface Layer 3 specification; Core network protocols; Stage 3; (3GPP TS 24.008 version 6.9.0 Release 6) | 6.9.0 |  | 
                                            
                                                
                                                    | TS 24.008 (6.9.0) | Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 | 6.9.0 | 5.3.6.2.1, 5.3.6.2.2 |